[as it is now quoting $output is not required, but done just in case]
Reviewed-by: NRichard Levitte <levitte@openssl.org>

Reviewed-by: NRichard Levitte <levitte@openssl.org>

Performance penalty is 2%.

CVE-2016-0702
Reviewed-by: NRichard Levitte <levitte@openssl.org>
Reviewed-by: NRich Salz <rsalz@openssl.org>

Reviewed-by: NEmilia Käsper <emilia@openssl.org>

RT: 2835
Reviewed-by: NDr. Stephen Henson <steve@openssl.org>

This ensures high performance is situations when assembler supports
AVX2, but not AD*X.

rsaz_exp.c: harmonize line terminating;
asm/rsaz-*.pl: minor optimizations.

RT: 2582, 2850